Home / 103,529.85-155,202.84-40,335.34

Finding the Fourth Proportional to 103,529.85, 155,202.84 and 40,335.34

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Solution

The fourth proportional to 103,529.85, 155,202.84 and 40,335.34 is: 60,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,529.85 : 155,202.84 = 40,335.34 : x
  2. Step 2: Convert to fraction form
    103,529.85/155,202.84 = 40,335.34/x
  3. Step 3: Cross multiply
    103,529.85x = 155,202.84 × 40,335.34
  4. Step 4: Simplify right side
    103,529.85x = 6,260,159,320.37
  5. Step 5: Solve for x
    x = 6,260,159,320.37/103,529.85
  6. Step 6: Final answer
    x = 60,467.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.